參數(shù)資料
型號: S-35392A-I8T1U
元件分類: 時鐘/數(shù)據(jù)恢復(fù)及定時提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO8
封裝: HALOGEN FREE AND LEAD FREE, SNT-8
文件頁數(shù): 25/47頁
文件大?。?/td> 419K
代理商: S-35392A-I8T1U
2-WIRE REAL-TIME CLOCK
Rev.2.0_00
S-35392A
Seiko Instruments Inc.
31
4.
Data access
(1)
Real-time data 1 access
72
9
1
A
CK
1
0
1
0
ST
AR
T
SCL
SDA
Year data
Second data
B7
B0
B7
B0
R/W
A
CK
*1
ST
OP
0
A
CK
*2
I/O mode switching
A
CK
*2
Device code +
command
18
63
*1.
Set NO_ACK = 1 in Read.
*2.
Transmit ACK = 0 from the master device to the S-35392A
in Read.
Figure 34
Real-Time Data 1 Access
(2)
Real-time data 2 access
36
9
1
ACK
1
0
1
0
ST
AR
T
SCL
SDA
Hour data
Second data
B7
B0
B7
B0
R/W
AC
K
*1
ST
OP
1
0
ACK
*2
I/O mode switching
B0
B7
Minute data
18
27
ACK
*2
Device code +
command
*1.
Set NO_ACK = 1 in Read.
*2.
Transmit ACK = 0 from the master device to the S-35392A in Read.
Figure 35
Real-Time Data 2 Access
(3)
Status register 1 access and status register 2 access
18
9
1
AC
K
0
1
0
ST
AR
T
I/O mode switching
SCL
SDA
Status data
B7
B0
I/O mode switching
*1
R/W
ACK
*2
ST
O
P
Device code +
command
*1.
0 : Status register 1 selected, 1 : Status register 2 selected
*2.
Set NO_ACK = 1 in Read.
Figure 36
Status Register 1 Access and Status Register 2 Access
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